001/*
002 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.jtt.optimize;
024
025import org.junit.*;
026
027import com.oracle.graal.jtt.*;
028
029/*
030 * Tests optimization of float operations.
031 */
032public class VN_Float02 extends JTTTest {
033
034    private static boolean cond = true;
035
036    public static float test(float arg) {
037        if (arg == 0) {
038            return add(arg + 10);
039        }
040        if (arg == 1) {
041            return sub(arg + 10);
042        }
043        if (arg == 2) {
044            return mul(arg + 10);
045        }
046        if (arg == 3) {
047            return div(arg + 10);
048        }
049        return 0;
050    }
051
052    public static float add(float x) {
053        float c = 1.0f;
054        float t = x + c;
055        if (cond) {
056            float u = x + c;
057            return t + u;
058        }
059        return 1.0f;
060    }
061
062    public static float sub(float x) {
063        float c = 1.0f;
064        float t = x - c;
065        if (cond) {
066            float u = x - c;
067            return t - u;
068        }
069        return 1.0f;
070    }
071
072    public static float mul(float x) {
073        float c = 1.0f;
074        float t = x * c;
075        if (cond) {
076            float u = x * c;
077            return t * u;
078        }
079        return 1.0f;
080    }
081
082    public static float div(float x) {
083        float c = 1.0f;
084        float t = x / c;
085        if (cond) {
086            float u = x / c;
087            return t / u;
088        }
089        return 1.0f;
090    }
091
092    @Test
093    public void run0() throws Throwable {
094        runTest("test", 0f);
095    }
096
097    @Test
098    public void run1() throws Throwable {
099        runTest("test", 1f);
100    }
101
102    @Test
103    public void run2() throws Throwable {
104        runTest("test", 2f);
105    }
106
107    @Test
108    public void run3() throws Throwable {
109        runTest("test", 3f);
110    }
111
112}